IN74HCT139A
AC ELECTRICAL CHARACTERISTICS
(V
CC
=5.0 V
±
10%, C
L
=50pF,Input t
r
=t
f
=6.0 ns)
Guaranteed Limit
Symbol
Parameter
25
°C
to
-55°C
23
23
15
10
≤85°C
≤125°C
Unit
t
PLH
, t
PHL
t
PLH
, t
PHL
t
TLH
, t
THL
C
IN
Maximum Propagation Delay, Select to OutputY
(Figures 1 and 3)
Maximum Propagation Delay , Input A to
OutputY (Figures 2 and 3)
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
Maximum Input Capacitance
Power Dissipation Capacitance (Per Decoder)
29
29
19
10
35
35
22
10
ns
ns
ns
pF
Typical @25°C,V
CC
=5.0 V
60
pF
C
PD
Used to determine the no-load dynamic power
consumption:
P
D
=C
PD
V
CC2
f+I
CC
V
CC
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
Rev. 00